Identification of individuals with patellofemoral pain whose symptoms improved after a combined program of foot orthosis use and modified activity: a preliminary investigation.
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| Abstract | BACKGROUND AND PURPOSE: In patients with patellofemoral pain syndrome (PFPS), the authors determined which aspects of the examination could be used to identify those patients most likely to respond to off-the-shelf foot orthoses and instruction in activity modification. PARTICIPANTS AND METHODS: Fifty participants were enrolled in the study, and data for 5 individuals were excluded from analysis. Thirty-four men and 11 women completed the study. Participants were given foot orthoses and instructed in activity modification for 3 weeks. A 50% reduction in pain was considered a success. Likelihood ratios (LRs) were computed to determine which examination findings were most predictive of success. RESULTS: The best predictors of improvement were forefoot valgus alignment of 2 degrees (+LR=4.0, 95% confidence interval [CI]=0.7-21.9), great toe extension of 78 degrees (+LR=4.0, 95% CI=0.7-21.9), and navicular drop of 3 mm (+LR=2.4, 95% CI=1.3-4.3). DISCUSSION AND CONCLUSION: The results suggest that patients with PFPS who have forefoot valgus alignment of 2 degrees, passive great toe extension of 78 degrees, or navicular drop of 3 mm are most likely to respond favorably to initial intervention with an off-the-shelf foot orthosis and instruction in activity modification.
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| Authors | Thomas G Sutlive, Scott D Mitchell, Stephanie N Maxfield, Cynthia L McLean, Jon C Neumann, Christine R Swiecki, Robert C Hall, Anthony C Bare, Timothy W Flynn |
| Journal | Physical therapy (Phys Ther) Vol. 84 Issue 1 Pg. 49-61 (Jan 2004) ISSN: 0031-9023 [Print] United States |
| PMID | 14992676 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't) |
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